======================== unified (from filesystem) ========================
                                         'bitrate'  '178.565'
                                        'duration'  '121'
                                          'artist'  'Frank Zappa & The Mothers of Invention'
                                     'text_people'  ''
                                         'release'  "We're only in it for the money"
                                           'title'  "Let's Make The Water Turn Black"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['progressive rock', 'experimental', 'rock', 'jazz', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'rock-cppex-experimental or noise'
                                             'bpm'  '136.551'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     "We're only in it for the money"
'TBPM' (BPM (beats per minute))                     '136.551'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-experimental or noise'
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         "Let's Make The Water Turn Black"
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Frank Zappa & The Mothers of Invention'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['progressive rock', 'experimental', 'rock', 'jazz', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.50 dB'
'TXXX:replaygain_track_peak'                        '0.488536'

========================== row from database ==========================
                                              'id'  1525826
                                            'path'  /data/Music/Bulk/00poprockelectronic/Frank Zappa/Zappa, frank & the mothers - we_re only in it for the money/The Mothers -13- Let_s Make The Water Turn Black.mp3
                                         'working'  None
                                         'bitrate'  178
                                    'duration_sec'  121
                                           'genre'  rock-cppex-experimental or noise
                                        'filesize'  2712846
                                           'mtime'  1636918138
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Zappa, frank mothers we_re 13 Let_s rock cppex experimental noise
                                      'tag_artist'  Frank Zappa & The Mothers of Invention
                                     'tag_release'  We're only in it for the money
                                       'tag_title'  Let's Make The Water Turn Black
                                             'bpm'  136.551
                                    'search_title'  'black':8 'let':1 'lets':3 'make':4 's':2 'the':5 'turn':7 'water':6
                                   'search_artist'  'frank':1 'invention':6 'mothers':4 'of':5 'the':3 'zappa':2
                                  'search_release'  'for':7 'in':5 'it':6 'money':9 'only':4 're':2 'the':8 'we':1 'were':3
                                     'search_rest'  '00poprockelectronic':1 'cppex':11 'experimental':12 'frank':4 'let':8 'mothers':5 'noise':13 're':7 'rock':10 's':9 'we':6 'zappa':2,3
                                    'search_combo'  '00poprockelectronic':24 'black':8A 'cppex':34 'experimental':35 'for':21C 'frank':9B,27 'in':19C 'invention':14B 'it':20C 'let':1A,31 'lets':3A 'make':4A 'money':23C 'mothers':12B,28 'noise':36 'of':13B 'only':18C 're':16C,30 'rock':33 's':2A,32 'the':5A,11B,22C 'turn':7A 'water':6A 'we':15C,29 'were':17C 'zappa':10B,25,26
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['progressive rock', 'experimental', 'rock', 'jazz', 'classic rock']
                                        'tag_date'  1968
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636918137.691621  (2021-11-14 20:28:57)
                             'size'  2712846